550405524 has 24 divisors (see below), whose sum is σ = 1285629408. Its totient is φ = 183275680.

The previous prime is 550405511. The next prime is 550405613. The reversal of 550405524 is 425504055.

It is a junction number, because it is equal to n+sod(n) for n = 550405491 and 550405500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11967 + ... + 35270.

It is an arithmetic number, because the mean of its divisors is an integer number (53567892).

Almost surely, 2^550405524 is an apocalyptic number.

It is an amenable number.

550405524 is an abundant number, since it is smaller than the sum of its proper divisors (735223884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550405524 is a wasteful number, since it uses less digits than its factorization.

550405524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48215 (or 48213 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 550405524 is about 23460.7230067617. The cubic root of 550405524 is about 819.5225874573.

Adding to 550405524 its reverse (425504055), we get a palindrome (975909579).

The spelling of 550405524 in words is "five hundred fifty million, four hundred five thousand, five hundred twenty-four".